PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NNNF240Flask,boiling

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 6640-00-558-0680 · FSC 6640 · No Item Name Available
Verified by PartsTable
NSN 6640-00-558-0680 — this item is cataloged by the U.S. Government under National Stock Number 6640-00-558-0680. Primary manufacturer part number: NNNF240.
Features
  • Flask,boiling — FSC 6640
  • Nondefinitive Spec/std Data: 1 TYPE AND 2 STYLE AND 1 CLASS AND 1 SIZE
  • Style Designator: RING NECK FLAT BOTTOM
  • Closure Type Accommodated and Size Designation: 6 RUBBER STOPPER MOUTH
  • Total Primary Container Quantity: 1
  • Capacity Rating: 500.000 MILLILITERS NOMINAL
  • Primary Container Type: CARTON
  • Primary Container Unit Quantity: 1
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Flask,boiling, cataloged under National Stock Number 6640-00-558-0680, is classified within Federal Supply Class 6640 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Federal Specifications Promulgated by General Services Administration Washington DC. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6640-00-558-0680
Primary Part NumberNNNF240
Item NameFlask,boiling
FSC / FSG6640 / 66 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusACTIVE
Nondefinitive Spec/std Data1 TYPE AND 2 STYLE AND 1 CLASS AND 1 SIZE
Style DesignatorRING NECK FLAT BOTTOM
Closure Type Accommodated and Size Designation6 RUBBER STOPPER MOUTH
Total Primary Container Quantity1
Capacity Rating500.000 MILLILITERS NOMINAL
Primary Container TypeCARTON
Primary Container Unit Quantity1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4820-00-305-423725000 INTERCHANGEABLE
Valve,linear,directional Control
Parker-Hannifin Corporation Dba Control Systems Division
5340-00-424-8235292AS430 INTERCHANGEABLE
Plunger,quick Release
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
5935-00-500-87482Z7390-58 INTERCHANGEABLE
Connector,receptacle,electrical
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
6125-00-635-3770 INTERCHANGEABLE
Dynamotor-Power Supply
5999-00-782-715925000 INTERCHANGEABLE
Delay Line
Neurotech Corp Control Electronics Div
5935-00-974-5418 INTERCHANGEABLE
Connector,receptacle,electrical
6520-01-119-6385 INTERCHANGEABLE
Caliper,dental
6105-01-140-86952-5000 INTERCHANGEABLE
Parts Kit,electric Motor
Maytag Corporation Dba Maytag Appliancessales
6625-01-353-843125000 INTERCHANGEABLE
Fiber Visualizer
Norland Products Inc.
5925-01-381-764129470 INTERCHANGEABLE
Interrupter,ground Fault
Creating Technology Solutions, Llc Dba Technology Research Corp Div Technology Research Corp
Cross-Reference Index
Part NumberManufacturer
NNNF240 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
25000 Owens-Illinois Inc Laboratory Sales Kimble Div (USA)
MS36054-5 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
4820-00-305-4237INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
25000
5340-00-424-8235INTERCHANGEABLE
PLUNGER,QUICK RELEASE
292AS430
5935-00-500-8748INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
2Z7390-58
6125-00-635-3770INTERCHANGEABLE
DYNAMOTOR-POWER SUPPLY
5999-00-782-7159INTERCHANGEABLE
DELAY LINE
25000
5935-00-974-5418INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
6520-01-119-6385INTERCHANGEABLE
CALIPER,DENTAL
6105-01-140-8695INTERCHANGEABLE
PARTS KIT,ELECTRIC MOTOR
2-5000
6625-01-353-8431INTERCHANGEABLE
FIBER VISUALIZER
25000
5925-01-381-7641INTERCHANGEABLE
INTERRUPTER,GROUND FAULT
29470
4820-01-391-0728INTERCHANGEABLE
VALVE,SAFETY RELIEF
4730-01-413-8890INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
25404-04E-N1M

Frequently Asked Questions

What is NSN 6640-00-558-0680?

NSN 6640-00-558-0680 is a Flask,boiling, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 6640 (No Item Name Available). Status: active.

What are the part numbers for NSN 6640-00-558-0680?

NSN 6640-00-558-0680 has 3 cross-referenced part numbers: NNNF240 (Federal Specifications Promulgated by General Services Administration Washington DC), 25000 (Owens-Illinois Inc Laboratory Sales Kimble Div), MS36054-5 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 6640-00-558-0680?

There are 12 known substitutes for 6640-00-558-0680: 4820-00-305-4237, 5340-00-424-8235, 5935-00-500-8748 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of NNNF240?

Key specifications for NNNF240: Nondefinitive Spec/std Data: 1 TYPE AND 2 STYLE AND 1 CLASS AND 1 SIZE; Style Designator: RING NECK FLAT BOTTOM; Closure Type Accommodated and Size Designation: 6 RUBBER STOPPER MOUTH; Total Primary Container Quantity: 1. 8 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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